| using namespace std; | |
| int main() { | |
| ios::sync_with_stdio(false); | |
| cin.tie(nullptr); | |
| long long n, k; | |
| if(!(cin >> n >> k)) return 0; | |
| vector<long long> a; | |
| a.reserve((size_t)n * (size_t)n); | |
| for(long long i = 0; i < n * n; ++i){ | |
| long long v; | |
| cin >> v; | |
| a.push_back(v); | |
| } | |
| nth_element(a.begin(), a.begin() + (k - 1), a.end()); | |
| cout << a[k - 1] << "\n"; | |
| return 0; | |
| } |